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69827073972 = 2235818922831
BaseRepresentation
bin100000100001000000…
…1001001011110110100
320200020100221212221220
41001002001021132310
52121001212331342
652024512310340
75021244223065
oct1010201113664
9220210855856
1069827073972
11276826211a7
1211648b423b0
13677a67c566
143545a8056c
151c3a3535ec
hex10420497b4

69827073972 has 12 divisors (see below), whose sum is σ = 162929839296. Its totient is φ = 23275691320.

The previous prime is 69827073949. The next prime is 69827074001. The reversal of 69827073972 is 27937072896.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909461404 + ... + 2909461427.

It is an arithmetic number, because the mean of its divisors is an integer number (13577486608).

Almost surely, 269827073972 is an apocalyptic number.

It is an amenable number.

69827073972 is an abundant number, since it is smaller than the sum of its proper divisors (93102765324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69827073972 is a wasteful number, since it uses less digits than its factorization.

69827073972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818922838 (or 5818922836 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 69827073972 in words is "sixty-nine billion, eight hundred twenty-seven million, seventy-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 5818922831 11637845662 17456768493 23275691324 34913536986 69827073972